Update Dockerfile

Dockerfile

@@ -1,15 +1,29 @@
-FROM python:3.12-slim
+FROM python:3.11-slim
 
-WORKDIR /app
+# System dependencies for soundfile & audio
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libsndfile1 \
+    ffmpeg \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
 
-RUN apt-get update && apt-get install -y --no-install-recommends libsndfile1 && rm -rf /var/lib/apt/lists/*
+# Create non-root user (HF Spaces requires uid 1000)
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
 
-RUN pip install --no-cache-dir flask huggingface-hub soundfile ctransformers
+WORKDIR /home/user/app
 
-RUN pip install --no-cache-dir https://github.com/KittenML/KittenTTS/releases/download/0.8.1/kittentts-0.8.1-py3-none-any.whl
+# Install Python dependencies
+COPY --chown=user:user requirements.txt .
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
 
-COPY app.py .
+# Copy application code
+COPY --chown=user:user . .
 
+# Expose port 7860 (HF Spaces default)
 EXPOSE 7860
 
+# Start the app
 CMD ["python", "app.py"]